Hi TaoufiQichem,
Thank you for reaching out to our community.
I understand you're looking for instructions on how to use your Chromecast from your phone, and I'm happy to help you with that.
To help me get started, please answer a few questions::
- What model of Chromecast device do you have? You can use this Google Help Center article to help identify your device: Chromecast and Google TV Streamer specifications.
- Do you have the latest version of the Google Home app? If not, you can find helpful instructions in this Google Nest Help Center article: Update the Google Home app.
- Do you want to cast from an Android or iPhone?
- What is the make and model of your TV?
Please keep me posted.
Best regards,
Virna